Joshua Rosfield // Thrasios, Triton Hero (Commander) - Polymorph

Alternate Names:

Joshua Rosfield // Tidus, Zanarkand FaythJoshua Rosfield // Tidus, Zanarkand Fayth

Joshua Rosfield // Thrasios, Triton Hero
Rank #320
187decks
As CommanderJoshua RosfieldThrasios, Triton HeroAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for Building RogSi (Rograkh and Silas Renn) for cEDH
Harvey McGuinness
Mar 11, 2026
Harvey McGuinness
Building RogSi (Rograkh and Silas Renn) for cEDH
Want to see what's under the hood of one of the best cEDH decks? Then check out this deck tech for RogSi (Rograkh and Silas Renn).
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Commander Spellbook
Moxfield
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Game Changers
Creatures
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Sorceries
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Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Reality Scramble
98%inclusion183 decks187 decks
97%synergy
Divergent Transformations
97%inclusion182 decks187 decks
97%synergy
Transmogrify
96%inclusion180 decks187 decks
96%synergy
Polymorph
96%inclusion180 decks187 decks
96%synergy
Chaos Mutation
82%inclusion154 decks187 decks
82%synergy
Tidespout Tyrant
71%inclusion133 decks187 decks
70%synergy
Proteus Staff
70%inclusion130 decks187 decks
69%synergy
Mystic Remora
79%inclusion147 decks187 decks
66%synergy
Hullbreaker Horror
72%inclusion134 decks187 decks
63%synergy
Veil of Summer
70%inclusion130 decks187 decks
62%synergy
Top Cards
Deflecting Swat
73%inclusion137 decks187 decks
55%synergy
An Offer You Can't Refuse
73%inclusion136 decks187 decks
54%synergy
Swan Song
73%inclusion136 decks187 decks
59%synergy
Noxious Revival
70%inclusion131 decks187 decks
59%synergy
Flusterstorm
65%inclusion122 decks187 decks
58%synergy
Pact of Negation
65%inclusion121 decks187 decks
58%synergy
Sylvan Library
62%inclusion116 decks187 decks
55%synergy
Chain of Vapor
61%inclusion115 decks187 decks
58%synergy
Mental Misstep
60%inclusion113 decks187 decks
55%synergy
Underworld Breach
60%inclusion113 decks187 decks
52%synergy
Game Changers
Mystical Tutor
79%inclusion148 decks187 decks
68%synergy
Jeska's Will
75%inclusion141 decks187 decks
58%synergy
Rhystic Study
74%inclusion138 decks187 decks
55%synergy
Fierce Guardianship
73%inclusion137 decks187 decks
55%synergy
Gamble
71%inclusion133 decks187 decks
63%synergy
Force of Will
70%inclusion131 decks187 decks
62%synergy
Ancient Tomb
67%inclusion126 decks187 decks
56%synergy
Cyclonic Rift
67%inclusion126 decks187 decks
46%synergy
Mana Vault
66%inclusion123 decks187 decks
58%synergy
Chrome Mox
65%inclusion121 decks187 decks
56%synergy
Creatures
Ureni, the Song Unending
50%inclusion1 decks2 decks
42%synergy
Etali, Primal Conqueror
30%inclusion56 decks187 decks
20%synergy
Koma, Cosmos Serpent
18%inclusion34 decks187 decks
16%synergy
Displacer Kitten
16%inclusion30 decks187 decks
10%synergy
Jin-Gitaxias, Core Augur
14%inclusion27 decks187 decks
14%synergy
Nezahal, Primal Tide
12%inclusion22 decks187 decks
8%synergy
Worldspine Wurm
11%inclusion21 decks187 decks
11%synergy
Void Winnower
10%inclusion18 decks187 decks
8%synergy
Consecrated Sphinx
9.1%inclusion17 decks187 decks
5%synergy
Niv-Mizzet, Parun
8.0%inclusion15 decks187 decks
3%synergy
Jin-Gitaxias, Progress Tyrant
8.0%inclusion15 decks187 decks
7%synergy
Blightsteel Colossus
7.5%inclusion14 decks187 decks
6%synergy
Seedborn Muse
7.0%inclusion13 decks187 decks
-1%synergy
Ovika, Enigma Goliath
7.0%inclusion13 decks187 decks
6%synergy
Koma, World-Eater
6.7%inclusion3 decks45 decks
5%synergy
Terastodon
5.3%inclusion10 decks187 decks
4%synergy
Ulamog, the Infinite Gyre
5.3%inclusion10 decks187 decks
3%synergy
Instants
Mana Drain
59%inclusion111 decks187 decks
47%synergy
Brain Freeze
58%inclusion109 decks187 decks
52%synergy
Force of Negation
58%inclusion108 decks187 decks
52%synergy
Pyroblast
56%inclusion104 decks187 decks
52%synergy
Mindbreak Trap
51%inclusion96 decks187 decks
46%synergy
Dramatic Reversal
45%inclusion84 decks187 decks
43%synergy
Muddle the Mixture
43%inclusion81 decks187 decks
41%synergy
Crop Rotation
43%inclusion80 decks187 decks
31%synergy
Intuition
43%inclusion80 decks187 decks
42%synergy
Turn the Earth
43%inclusion80 decks187 decks
42%synergy
Brainstorm
41%inclusion77 decks187 decks
27%synergy
Red Elemental Blast
36%inclusion67 decks187 decks
33%synergy
Nature's Claim
34%inclusion64 decks187 decks
27%synergy
Miscast
34%inclusion64 decks187 decks
33%synergy
Flare of Duplication
34%inclusion50 decks148 decks
31%synergy
Dispel
33%inclusion62 decks187 decks
31%synergy
Borne Upon a Wind
32%inclusion60 decks187 decks
29%synergy
Autumn's Veil
30%inclusion57 decks187 decks
30%synergy
Lightning Bolt
30%inclusion57 decks187 decks
20%synergy
Snap
24%inclusion44 decks187 decks
11%synergy
Spell Pierce
24%inclusion44 decks187 decks
22%synergy
Final Fortune
23%inclusion43 decks187 decks
22%synergy
Beast Within
22%inclusion42 decks187 decks
-15%synergy
Counterspell
22%inclusion42 decks187 decks
-9%synergy
Delay
22%inclusion41 decks187 decks
21%synergy
Flame of Anor
20%inclusion38 decks187 decks
18%synergy
Sink into Stupor
20%inclusion29 decks148 decks
12%synergy
Pongify
19%inclusion36 decks187 decks
7%synergy
Chaos Warp
18%inclusion34 decks187 decks
-13%synergy
Resculpt
18%inclusion33 decks187 decks
15%synergy
Synthetic Destiny
17%inclusion32 decks187 decks
17%synergy
Arcane Denial
15%inclusion28 decks187 decks
-1%synergy
Negate
14%inclusion27 decks187 decks
-1%synergy
Alchemist's Retrieval
14%inclusion27 decks187 decks
14%synergy
Abrade
14%inclusion27 decks187 decks
9%synergy
Into the Flood Maw
14%inclusion17 decks118 decks
12%synergy
Rapid Hybridization
13%inclusion25 decks187 decks
1%synergy
Growth Spiral
13%inclusion25 decks187 decks
-12%synergy
Memory's Journey
13%inclusion24 decks187 decks
12%synergy
March of Swirling Mist
13%inclusion24 decks187 decks
11%synergy
Reweave
12%inclusion23 decks187 decks
12%synergy
Untimely Malfunction
11%inclusion10 decks89 decks
7%synergy
Whir of Invention
11%inclusion20 decks187 decks
10%synergy
Worldly Tutor
11%inclusion20 decks187 decks
-4%synergy
Flare of Denial
10%inclusion16 decks155 decks
8%synergy
Strix Serenade
9.5%inclusion14 decks148 decks
8%synergy
Narset's Reversal
9.1%inclusion17 decks187 decks
5%synergy
Force of Vigor
8.6%inclusion16 decks187 decks
6%synergy
Artifact Mutation
8.0%inclusion15 decks187 decks
6%synergy
Misdirection
7.5%inclusion14 decks187 decks
7%synergy
Sorceries
Windfall
60%inclusion112 decks187 decks
51%synergy
Gitaxian Probe
59%inclusion111 decks187 decks
54%synergy
Wheel of Fortune
48%inclusion90 decks187 decks
44%synergy
Chaotic Transformation
44%inclusion82 decks187 decks
44%synergy
Timetwister
35%inclusion66 decks187 decks
34%synergy
Blasphemous Act
35%inclusion65 decks187 decks
1%synergy
Transmute Artifact
32%inclusion60 decks187 decks
31%synergy
Ponder
27%inclusion50 decks187 decks
18%synergy
Solve the Equation
27%inclusion50 decks187 decks
24%synergy
Mass Polymorph
22%inclusion42 decks187 decks
22%synergy
Nature's Lore
22%inclusion41 decks187 decks
-12%synergy
Farseek
21%inclusion40 decks187 decks
-26%synergy
Rite of Flame
20%inclusion37 decks187 decks
17%synergy
Three Visits
19%inclusion36 decks187 decks
-7%synergy
Rampant Growth
18%inclusion34 decks187 decks
-16%synergy
Preordain
18%inclusion34 decks187 decks
12%synergy
Wheel of Misfortune
16%inclusion30 decks187 decks
15%synergy
Cultivate
15%inclusion28 decks187 decks
-28%synergy
Personal Tutor
14%inclusion27 decks187 decks
13%synergy
Kodama's Reach
12%inclusion23 decks187 decks
-19%synergy
Faithless Looting
12%inclusion23 decks187 decks
4%synergy
Merchant Scroll
12%inclusion23 decks187 decks
12%synergy
Fabricate
10%inclusion19 decks187 decks
8%synergy
Indomitable Creativity
10%inclusion19 decks187 decks
10%synergy
Regrowth
10%inclusion18 decks187 decks
5%synergy
Grapeshot
10%inclusion18 decks187 decks
4%synergy
Vandalblast
9.1%inclusion17 decks187 decks
1%synergy
Bribery
9.1%inclusion17 decks187 decks
8%synergy
Reshape
8.0%inclusion15 decks187 decks
8%synergy
Genesis Storm
7.5%inclusion14 decks187 decks
7%synergy
Bala Ged Recovery
7.0%inclusion13 decks187 decks
0%synergy
Infernal Plunge
6.4%inclusion12 decks187 decks
6%synergy
Lórien Revealed
5.9%inclusion11 decks187 decks
5%synergy
Finale of Devastation
5.9%inclusion11 decks187 decks
-3%synergy
Selvala's Stampede
5.9%inclusion11 decks187 decks
1%synergy
Utility Artifacts
The One Ring
59%inclusion111 decks187 decks
52%synergy
Imposter Mech
47%inclusion87 decks187 decks
46%synergy
Isochron Scepter
46%inclusion86 decks187 decks
44%synergy
Sensei's Divining Top
12%inclusion22 decks187 decks
7%synergy
Defense Grid
8.6%inclusion16 decks187 decks
8%synergy
Lightning Greaves
7.0%inclusion13 decks187 decks
-18%synergy
Moonsilver Key
6.4%inclusion12 decks187 decks
6%synergy
Torpor Orb
5.3%inclusion10 decks187 decks
5%synergy
Enchantments
Oath of Druids
45%inclusion85 decks187 decks
45%synergy
Carpet of Flowers
35%inclusion65 decks187 decks
31%synergy
Training Grounds
29%inclusion54 decks187 decks
26%synergy
Wild Growth
27%inclusion51 decks187 decks
17%synergy
Guild Artisan
27%inclusion51 decks187 decks
27%synergy
Dress Down
21%inclusion40 decks187 decks
21%synergy
Defense of the Heart
19%inclusion36 decks187 decks
17%synergy
Utopia Sprawl
18%inclusion34 decks187 decks
11%synergy
Kenrith's Transformation
11%inclusion21 decks187 decks
10%synergy
Copy Artifact
8.0%inclusion15 decks187 decks
8%synergy
Shifting Shadow
7.0%inclusion13 decks187 decks
7%synergy
Planeswalkers
Lukka, Coppercoat Outcast
42%inclusion78 decks187 decks
41%synergy
Narset, Parter of Veils
21%inclusion40 decks187 decks
20%synergy
Jace, Wielder of Mysteries
16%inclusion29 decks187 decks
14%synergy
Minsc & Boo, Timeless Heroes
13%inclusion25 decks187 decks
12%synergy
Oko, Thief of Crowns
9.1%inclusion17 decks187 decks
6%synergy
Tezzeret the Seeker
7.5%inclusion14 decks187 decks
7%synergy
Saheeli, Sublime Artificer
5.9%inclusion11 decks187 decks
3%synergy
Utility Lands
Boseiju, Who Endures
71%inclusion132 decks187 decks
50%synergy
Otawara, Soaring City
69%inclusion129 decks187 decks
52%synergy
Urza's Saga
53%inclusion99 decks187 decks
47%synergy
Emergence Zone
43%inclusion81 decks187 decks
40%synergy
Shifting Woodland
29%inclusion43 decks148 decks
22%synergy
Barbarian Ring
24%inclusion45 decks187 decks
24%synergy
Cephalid Coliseum
20%inclusion38 decks187 decks
19%synergy
Crystal Vein
18%inclusion33 decks187 decks
17%synergy
City of Traitors
17%inclusion31 decks187 decks
16%synergy
Minamo, School at Water's Edge
16%inclusion29 decks187 decks
10%synergy
Yavimaya, Cradle of Growth
14%inclusion26 decks187 decks
-2%synergy
Boseiju, Who Shelters All
11%inclusion20 decks187 decks
10%synergy
Khalni Garden
11%inclusion20 decks187 decks
10%synergy
Kher Keep
9.1%inclusion17 decks187 decks
9%synergy
Sokenzan, Crucible of Defiance
9.1%inclusion17 decks187 decks
8%synergy
Alchemist's Refuge
7.5%inclusion14 decks187 decks
3%synergy
Mystic Sanctuary
5.9%inclusion11 decks187 decks
1%synergy
Mana Artifacts
Sol Ring
94%inclusion175 decks187 decks
11%synergy
Arcane Signet
88%inclusion165 decks187 decks
16%synergy
Springleaf Drum
78%inclusion146 decks187 decks
72%synergy
Mox Amber
76%inclusion143 decks187 decks
69%synergy
Fellwar Stone
73%inclusion137 decks187 decks
56%synergy
Lotus Petal
70%inclusion131 decks187 decks
60%synergy
Paradise Mantle
66%inclusion123 decks187 decks
63%synergy
Talisman of Creativity
64%inclusion120 decks187 decks
48%synergy
Talisman of Curiosity
63%inclusion118 decks187 decks
47%synergy
Mox Opal
63%inclusion117 decks187 decks
58%synergy
Relic of Legends
57%inclusion106 decks187 decks
53%synergy
Mox Diamond
55%inclusion103 decks187 decks
49%synergy
Grim Monolith
51%inclusion95 decks187 decks
49%synergy
Lion's Eye Diamond
51%inclusion95 decks187 decks
47%synergy
Mana Crypt
37%inclusion69 decks187 decks
35%synergy
Moonsnare Prototype
32%inclusion60 decks187 decks
32%synergy
Talisman of Impulse
20%inclusion38 decks187 decks
6%synergy
Cursed Mirror
12%inclusion23 decks187 decks
8%synergy
Simic Signet
11%inclusion20 decks187 decks
0%synergy
Izzet Signet
9.1%inclusion17 decks187 decks
-1%synergy
Basalt Monolith
8.6%inclusion16 decks187 decks
6%synergy
Gruul Signet
6.4%inclusion12 decks187 decks
-3%synergy
Everflowing Chalice
5.9%inclusion11 decks187 decks
4%synergy
Machine God's Effigy
5.3%inclusion10 decks187 decks
4%synergy
Lands
Command Tower
95%inclusion178 decks187 decks
4%synergy
Steam Vents
84%inclusion158 decks187 decks
41%synergy
Breeding Pool
82%inclusion154 decks187 decks
35%synergy
Misty Rainforest
82%inclusion153 decks187 decks
48%synergy
Scalding Tarn
80%inclusion150 decks187 decks
48%synergy
Wooded Foothills
77%inclusion144 decks187 decks
43%synergy
Stomping Ground
74%inclusion138 decks187 decks
27%synergy
Polluted Delta
64%inclusion120 decks187 decks
54%synergy
Island
64%inclusion119 decks187 decks
-31%synergy
Gemstone Caverns
63%inclusion117 decks187 decks
55%synergy
Flooded Strand
63%inclusion117 decks187 decks
51%synergy
Tropical Island
61%inclusion114 decks187 decks
46%synergy
Mana Confluence
61%inclusion114 decks187 decks
51%synergy
Taiga
60%inclusion112 decks187 decks
45%synergy
Arid Mesa
59%inclusion111 decks187 decks
51%synergy
City of Brass
59%inclusion111 decks187 decks
49%synergy
Volcanic Island
59%inclusion110 decks187 decks
44%synergy
Windswept Heath
56%inclusion105 decks187 decks
45%synergy
Verdant Catacombs
56%inclusion105 decks187 decks
46%synergy
Bloodstained Mire
53%inclusion99 decks187 decks
45%synergy
Exotic Orchard
52%inclusion98 decks187 decks
-3%synergy
Forest
50%inclusion93 decks187 decks
-45%synergy
Mountain
45%inclusion85 decks187 decks
-47%synergy
Forbidden Orchard
36%inclusion67 decks187 decks
33%synergy
Training Center
35%inclusion65 decks187 decks
5%synergy
Rejuvenating Springs
32%inclusion60 decks187 decks
-2%synergy
Yavimaya Coast
24%inclusion44 decks187 decks
-11%synergy
Ketria Triome
24%inclusion44 decks187 decks
-18%synergy
Shivan Reef
23%inclusion43 decks187 decks
-9%synergy
Spire Garden
22%inclusion42 decks187 decks
-6%synergy
Sink into Stupor
20%inclusion29 decks148 decks
12%synergy
Karplusan Forest
17%inclusion32 decks187 decks
-9%synergy
Fiery Islet
15%inclusion28 decks187 decks
10%synergy
Waterlogged Grove
14%inclusion26 decks187 decks
8%synergy
Hedge Maze
13%inclusion25 decks187 decks
1%synergy
Sulfur Falls
13%inclusion24 decks187 decks
-27%synergy
Cinder Glade
13%inclusion24 decks187 decks
-28%synergy
Hinterland Harbor
13%inclusion24 decks187 decks
-29%synergy
Rootbound Crag
12%inclusion22 decks187 decks
-27%synergy
Frontier Bivouac
12%inclusion22 decks187 decks
-39%synergy
Talon Gates of Madara
11%inclusion16 decks140 decks
7%synergy
Plaza of Heroes
11%inclusion21 decks187 decks
9%synergy
Thundering Falls
11%inclusion21 decks187 decks
1%synergy
Dreamroot Cascade
9.1%inclusion17 decks187 decks
-18%synergy
Spire of Industry
8.6%inclusion16 decks187 decks
5%synergy
Riverpyre Verge
7.7%inclusion1 decks13 decks
1%synergy
Willowrush Verge
7.7%inclusion1 decks13 decks
0%synergy
Rockfall Vale
7.0%inclusion13 decks187 decks
-24%synergy
Reflecting Pool
7.0%inclusion13 decks187 decks
0%synergy
Bala Ged Recovery
7.0%inclusion13 decks187 decks
0%synergy
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